XFP10GLR-192SR-L= - Cisco Multirate - XFP transceiver module

SONET/SDH, 10GbE - 10GBase-LR, 10GBase-LW - LC single-mode - up to 10 km - OC-192/STM-64 - 1310 nm - for P/N: 4-10GBE-WL-XFP-RF, A9K-2T20GE-B-RF, A9K-8T-E=, ME-3600X-24CX-M-RF, SPA-1X10GE-WLV2-RF